[hat] n [ME, fr. OE haet; akin to OHG huot head covering--more at hood] (bef. 12c) 1: a covering for the head usu. having a shaped crown and brim
2. a: a distinctive head covering worn as a symbol of office b: an office, position, or role assumed by or as if by the wearing of a special hat -- hat.less adj
[2]hat vb hat.ted ; hat.ting vt (15c): to furnish or provide with a hat ~ vi: to make or supply hats